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vortec heads

  1. Engine
    So, as the title says I have a 1969 Caprice, it has a 350 that is all stock (other than the carb). I have seen a lot of things about swapping heads over, and I am already aware that Id have to get a different intake to go from the carb to the injected Vortec heads, but is this even possible to...
  2. Engine
    Looking for help in a few things for a first build. Hoping for 350 hp and a flat torque curve of 350 or more if possible with a static cr of 9.0-9.5 on cali 91 pump gas working below 6k rpm (5500 is possible). I have a free set of vortec heads that need a good cleanup and valve job that ill be...
  3. Hotrodding Basics
    Im looking for some thoughts on putting vortec heads on my 1987 Pontiac Firebird 5.7 tpi. After looking around I found that I wouldn't be able to run the stock intake manifold because of the vortec bolts being different from the current swirlport heads. I couldn't find a conversion for under...
  4. Engine
    I currently have a 1969 010 block 350 2 bolt main, I have had it bored .30, standard pistons, custom delta cam ( not sure of specs ill check) stock sbc crank, eldbrock rpm air gap intake manifold, holly 650 street avenger carb, stock ignition, holly red fuel pump, vortec heads casting # 062...
  5. Engine
    brand new chevy performance large port heads ....max lift is i think .470 and my cam has and exhaust lit of .555 .....is springs gonna fix my prob or do i need machine work im new to this so thank you for the help
  6. Hotrodding Basics
    Hi all, I'm a retired Auto tech. I've always specialized in suspension, alignment and brakes. I drive a '64 Chevelle, and a '57 Chevy short bed my dream vehicles. I put a 327 out of a vette in my 64 with an early 700R4, runs amazing. My question is, I'm putting the 283 out of my '64 in my...
  7. Hotrodding Basics
    I am in the process of doing a SBC build. I have a 350 bored over .30, I went with a 2 valve relief float speed pro piston which put me at 10 to 1 compression with a 64 CC head, I have a set of modified Vortec heads ( the guides have beencut and I have a new springs that hold up to 575 lift, new...
  8. Hotrodding Basics
    I am in the process of doing a SBC build. I have a 350 bored over .30, I went with a 2 valve relief float speed pro piston which put me at 10 to 1 compression with a 64 CC head, I have a set of modified Vortec heads ( the guides have been cut and I have a new springs that hold up to 575 lift...
  9. Hotrodding Basics
    I am in the process of doing a SBC build it's a Chevrolet 350 bored over .30, I have 2 valve relief Speed Pro pistons which puts me at 10 to 1 compression as far as my cylinder heads go I have a set a vortecs with screw in studs ,new guide plates, and also new springs that can handle up to 550...
  10. Hotrodding Basics
    i have some questions about a build that i am in the process of Building. i Wanted to know how much horse power you all will think i will be at with this combo (TO THE TIRE) and any advice about the cam that i am using, compression is at 10-1 I Have a 350 bored .40 over Comp cam 292H...
  11. Engine
    I have a set of modified Vortec heads, with 292H comp cam the guides have been cut down so It can handle up to a 550 lift cam, and the heads also have been ported and polished, and screw in studs. I wanted to know have any of you guys ever ran this cam before how did you like the performance...
  12. Engine
    Which cam would be better in this combo i already have the 292H comp Cam but i have about a month to decide if i need to keep this cam or go with the COMP CAM XE274.. motor is not in the Car yet still in the building stage. I Have a 350 bored .40 over Comp cam 292H, (501/501) Lift 1.5 ratio...
  13. Engine
    Has Any Body Ran A Comp Cam 292H (501/501)lift, with Vortec Heads 64cc, If so how did it perform on the Street, and did you have any problems running the set up?
  14. Engine
    hey . am brand new to this site, i have some questions about a build that i am in the process of Building. i Wanted to know how much horse power you all will think i will be at with this combo and any advice about the cam that i am using, compression is at 9.8-1 I Have a 350 bored .40 over Comp...
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